我无法通过 cygwin ping 我的 ec2 实例。我已启用 icmp

Question

我无法通过 cygwin ping 我的 EC2 实例。 我已启用 ICMP。

13.233.65.18 | UNREACHABLE! => {
    "changed": false,
    "msg": "Failed to connect to the host via ssh: no such identity: /C:/aws/aws_keys/default-ec2key.pem: No such file or directory\r\nec2-user@13.233.65.18: Permission denied (publickey,gssapi-keyex,gssapi-with-mic).",
    "unreachable": true
}
13.126.104.218 | UNREACHABLE! => {
    "changed": false,
    "msg": "Failed to connect to the host via ssh: no such identity: /C:/aws/aws_keys/default-ec2key.pem: No such file or directory\r\nec2-user@13.126.104.218: Permission denied (publickey,gssapi-keyex,gssapi-with-mic).",
    "unreachable": true
}
13.233.184.186 | UNREACHABLE! => {
    "changed": false,
    "msg": "Failed to connect to the host via ssh: no such identity: /C:/aws/aws_keys/default-ec2key.pem: No such file or directory\r\nec2-user@13.233.184.186: Permission denied (publickey,gssapi-keyex,gssapi-with-mic).",
    "unreachable": true